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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 12:35:56 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 12:35:56 +0200 |
| commit | 8f63e9230decb06ea9068feaf0845c0eb39ab890 (patch) | |
| tree | a45cee821404ab0c7f7164e20c2f40f5e34ac16b /fs/xfs/xfs_trans.c | |
| parent | 58ec5e9c9044bd7e1c0bcc6ad822b2e909f49732 (diff) | |
| parent | 1268ed0c474a5c8f165ef386f3310521b5e00e27 (diff) | |
Merge branch 'x86/urgent' into x86/hyperv
Integrate the upstream bug fix to resolve the resulting conflict in
__send_ipi_mask().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/xfs/xfs_trans.c')
| -rw-r--r-- | fs/xfs/xfs_trans.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index e040af120b69..524f543c5b82 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -258,7 +258,12 @@ xfs_trans_alloc( if (!(flags & XFS_TRANS_NO_WRITECOUNT)) sb_start_intwrite(mp->m_super); - WARN_ON(mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE); + /* + * Zero-reservation ("empty") transactions can't modify anything, so + * they're allowed to run while we're frozen. + */ + WARN_ON(resp->tr_logres > 0 && + mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE); atomic_inc(&mp->m_active_trans); tp = kmem_zone_zalloc(xfs_trans_zone, |